wr450 subframe

Anyone know if yz450 and wr450 subframes are interchangeable. The reason being ac racing offers only a yz450 subframe for about 175.00. While yamaha oem for a wr450 is 300.00. Can no longer catch air on bike due to bent subframe. I can straighten but it will rebend in same place. If I continue to do this the subframe will definately break.

Come on, someone has to know.

No. The wr subframe is shorter. It may work but wouldn't have the tabs for the coolant overflow and the airbox may not bolt into it.

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